<template>
    <el-container class="home-container">
        <el-header>
            <div>
                <img src="../assets/3.jpg" />
                <span>电商管理系统</span>
            </div>
            <el-button type="info" @click="logout">退出</el-button>
        </el-header>
        <el-container>
            <el-aside width="200px">
                <el-menu background-color="#333744" text-color="#fff" active-text-color="#409EFF" router :default-active="activePath">
                    <el-submenu :index="item.id+''" v-for="item in menuList" :key="item.id">
                        <template slot="title">
                            <i class="el-icon-user"></i>
                            <span>{{item.authName}}</span>
                        </template>
                        <el-menu-item :index="'/' + subItem.path"  v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/' + subItem.path)">
                            <template slot="title">
                                <i class="el-icon-menu"></i>
                                <span>{{subItem.authName}}</span>
                            </template>
                        </el-menu-item>
                    </el-submenu>
                </el-menu>
            </el-aside>
            <el-main>
                <router-view></router-view>
            </el-main>
        </el-container>
    </el-container>
</template>

<script>
export default {
    data() {
        return {
            menuList: [],
            activePath: ''
        }
    },
    created() {
        this.getMenuList();
        this.activePath=window.sessionStorage.getItem("activePath");
    },
    methods: {
        async getMenuList() {
            const { data: res } = await this.$http.get("/api/private/v1/menus");
           // console.log(res);
            if (res.meta.status !== 200) return res.$message.error(res.meta.msg);
            this.menuList = res.data;

        },
        logout() {
            window.sessionStorage.clear();
            this.$router.push("/login");
        },
        saveNavState(activePath){
          window.sessionStorage.setItem("activePath",activePath);
          this.activePath=activePath;
        }
    }

};
</script> 

<style lang="less" scoped>
.home-container {
    height: 100%;
}

.el-header {
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    padding-left: 0;
    align-items: center;
    color: #fff;
    font-size: 20px;

    >div {
        display: flex;
        align-items: center;
    }

    span {
        margin-left: 15px;
    }
}

.el-aside {
    background-color: #333744;
}

.el-main {
    background-color: #eaedf1;
}
</style>